CN106925765A - Afterheat of casting recycle device based on radiation heat transfer - Google Patents
Afterheat of casting recycle device based on radiation heat transfer Download PDFInfo
- Publication number
- CN106925765A CN106925765A CN201710299963.XA CN201710299963A CN106925765A CN 106925765 A CN106925765 A CN 106925765A CN 201710299963 A CN201710299963 A CN 201710299963A CN 106925765 A CN106925765 A CN 106925765A
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- heat
- casting
- waste
- water
- temperature
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention relates to a kind of high temperature afterheat of casting recycle device based on radiation heat transfer, including steel tracks, aluminum waste-heat recoverer, storage tank, water circulating pump, circulating water pipe, temperature sensor and controller, magnetic valve and absorption type refrigerating unit and heating pipe network device；The aluminum waste-heat recoverer of steel tracks arranged type cross section；Connected using circulating water pipe between storage tank delivery port and waste-heat recoverer water inlet, circulating water pipe sets water circulating pump；Waste-heat recoverer delivery port is provided with temperature sensor and temperature controller, and temperature controller is used to control two keyings of magnetic valve；Hot water pipeline after magnetic valve connects storage tank, absorption type refrigerating unit and heating network device respectively.The present invention does not influence the internal structural characteristic of casting while high temperature afterheat of casting is reclaimed.Whole device moving component is few, safe and reliable, long lifespan, easy-maintaining, environmental protection, can realize the continuous recovery of the lower high temperature afterheat of casting of the intermittent production of middle-size and small-size foundry enterprise.
Description
Technical field
Returned the present invention relates to heat recovery technical field, especially a kind of high temperature afterheat of casting based on radiation heat transfer
Receipts utilize device, specially effectively reclaim and using the device of the exposed high temperature afterheat of casting after knockout.
Background technology
With the fast development of society, energy-saving and emission-reduction are increasingly subject to pay attention to, and industrial afterheat recovery and utilization are sections all the time
The emphasis of energy emission reduction.At present, the high, medium and low grade heat recovery technology involved by serial manufacture enterprise is basic
Maturation, but in intermittent production industry such as casting industry, exploitation and the popularization of heat recovery technology still await
Strengthen.Now, most middle-size and small-size foundry enterprises still carry out cooling down high-temperature casting continuing to use traditional the natural type of cooling, cause a large amount of
The waste of waste heat；A small number of foundry enterprises are also reclaiming afterheat of casting using forced-convection heat transfer mode, i.e., straight using cold air
Connect purging high temperature casting and reclaim hot-air, but this mode changes casting temperature lowering curve, easily causes to a certain extent
The mass defect of casting, while because heating technique is discontinuous, the utilization rate of hot-air is relatively low.Come from casting temperature reduction technology angle
Say, it is more rational that the radiant heat of high temperature casting is reclaimed in some way.
Chinese patent CN201010590862.6 discloses a kind of casting afterheat recovery method and its special equipment, its design
One have before and after closing door, bottom be the waste heat recovery warehouse of track, waste heat recovery warehouse surrounding is provided with water circulation and changes
Thermal；After slipping into waste heat recovery warehouse along track equipped with the dolly with arenaceous shell casting, close before and after closing door, high temperature arenaceous shell with
The recirculated water inside heat exchange, and heating heat exchanger is carried out between warehouse inwall；After arenaceous shell is reduced to uniform temperature, envelope is opened
Close a taking-up dolly.The patent realizes the waste heat recovery of arenaceous shell casting in a kind of discontinuous mode, but due to arenaceous shell and its table
The radiation coefficient of face coating is relatively low, causes its recuperation of heat speed and less efficient.
The content of the invention
It is an object of the invention to provide a kind of afterheat of casting recycle device based on radiation heat transfer, existing skill can be overcome
The defect of art.The present invention is a kind of to be reclaimed based on radiation heat transfer, the high temperature afterheat of casting that can continuously work and utilize device.
The internal structural characteristic of casting is not influenceed while high temperature afterheat of casting is reclaimed.Whole device moving component is few, operation safety
Reliability, long lifespan, easy-maintaining, environmental protection.Especially it is that by high temperature casting under the middle-size and small-size foundry enterprise intermittence condition of production
The continuous recycling of waste heat, winter waste heat is used for office building heating (heating pipe network device, the waste heat utilization facility in winter）, the summer
Ji Yure passes through absorption refrigeration unit (absorption type refrigerating unit, the waste heat utilization facility of summer）It is office building cooling.
A kind of afterheat of casting recycle device based on radiation heat transfer that the present invention is provided includes:Steel tracks, aluminum
Waste-heat recoverer, storage tank, water circulating pump, circulating water pipe, temperature sensor and controller, magnetic valve and supporting absorption
Formula refrigerating plant（The waste heat utilization facility of summer）With heating pipe network device（The waste heat utilization facility in winter）Deng.Resistant to elevated temperatures steel
Crawler belt processed is longitudinally arranged in foundry, thereon the aluminum waste-heat recoverer of arranged type cross section；Waste-heat recoverer is with water
It is the radiation recuperator of working medium, outside wall surface is surveyed in it and is sprayed into black to improve its slin emissivity, the cladding insulation of its lateral wall
Layer to reduce its heat dissipation capacity, close to form cyclic water jacket by outboard sidewalls and front-rear side walls, between reinforcing recirculated water and inwall
Inside and outside wall is designed as stagger arrangement channel form by heat convection, spy.Before storage tank with heat-insulation layer is located at aluminum waste-heat recoverer
End, is connected between storage tank delivery port and waste-heat recoverer water inlet using circulating water pipe, and a circulation is set on circulating water pipe
Water pump.Waste-heat recoverer delivery port downstream is provided with a temperature sensor and two temperature controllers, two temperature controllers point
Two keyings of magnetic valve Yong Yu not controlled.Hot water pipeline after two magnetic valves connects storage tank, absorption refrigeration dress respectively
Put（Summer uses）With heating network device（Use in winter）；The backwater of absorption type refrigerating unit and heating network device passes through back
Waterpipe delivers to storage tank.
Specific work process is as follows：High temperature casting after knockout is placed sequentially on steel tracks, and turning with crawler belt
Dynamic to enter inside the aluminum waste-heat recoverer of type cross section, high temperature casting transfers heat to the aluminum of blacking in radiation heat transfer form
The inner side outside wall surface of waste-heat recoverer；When casting temperature is reduced to 50ODuring C or so, from the waste-heat recoverer other end out；Pass through
The measured data of Foundry Works obtains the curve that cools of different type casting, the temperature lowering curve control according to different type casting
Crawler belt rotating speed makes the waste heat energy of casting fully reclaim so as to control waste heat recovery time of casting；Water at low temperature warp in storage tank
Water circulating pump, waste-heat recoverer water inlet enter aluminum waste-heat recoverer, after absorbing heat in heat convection form, from delivery port
Outflow, when hot water flows through temperature sensor, controller will control two keyings of magnetic valve according to water temperature.Set when water temperature is less than
Constant temperature degree 80-85ODuring C, towards absorption type refrigerating unit and heating network magnetic valve be closed, straight-through storage tank
Magnetic valve is opened, and hot water will be back to storage tank, continues heat temperature raising；When water temperature is higher than design temperature, the electricity of storage tank is led directly to
Magnet valve is closed, and the magnetic valve towards absorption type refrigerating unit and heating network is opened, and summer hand-operated valve A is closed, and hand-operated valve B is opened
Open, hot water is sent to absorption type refrigerating unit；Winter hand-operated valve A is opened, and hand-operated valve B is closed, and hot water is sent into heating network.Stream
Storage tank is back to through the backwater of absorption type refrigerating unit or heating network in case continuing to heat.Circulated with this.
The invention provides the afterheat of casting recycle device based on radiation heat transfer, lacking for prior art can be overcome
Fall into.The internal structural characteristic of casting is not influenceed while high temperature afterheat of casting is reclaimed.Whole device moving component is few, operation peace
Full reliability, long lifespan, easy-maintaining, environmental protection, are especially that by high temperature casting under the middle-size and small-size foundry enterprise intermittence condition of production
The continuous recovery of part waste heat, winter waste heat is used for office building heating (heating pipe network device, the waste heat utilization facility in winter）, summer
Waste heat passes through absorption refrigeration unit (absorption type refrigerating unit, the waste heat utilization facility of summer）It is office building cooling.
Brief description of the drawings
Fig. 1 is workflow diagram of the invention.
Fig. 2 is waste-heat recovery device of the present invention-aluminum waste-heat recoverer left view.
Fig. 3 is waste-heat recovery device of the present invention-aluminum waste-heat recoverer sectional view.
Specific embodiment
In order to more fully understand and implement, specific embodiment is given below in conjunction with the accompanying drawings and describes the present invention in detail, wherein relating to
And part of appliance be not particularly illustrated be it is commercially available.
As illustrated, 1- storage tanks, 2- circulating water pipes, 3- water circulating pumps, 4- aluminum waste-heat recoverers, 5- TEMPs
Device, 6- temperature controllers A, 7- temperature controller B, 8- magnetic valve A, 9- magnetic valve B, 10- hand-operated valve A, 11- hand-operated valve B, 12-
Absorption type refrigerating unit, 13- heating networks, 14- aquaporins, 15- casting, 16- steel tracks, 17- casting imports, 18- grooves,
19- casting exports.
Storage tank 1 is connected by circulating water pipe 2 with aluminum waste-heat recoverer 4, and water circulating pump 3 is located on circulating water pipe 2,
Temperature sensor 5 is located on the outlet conduit of aluminum waste-heat recoverer 4, and temperature controller A6 believes the temperature of temperature sensor 5
Control signal number is converted to, the keying of control magnetic valve A8, temperature controller B7 is converted to the temperature signal of temperature sensor 5
Control signal, the keying of control magnetic valve B9, magnetic valve A8 is located at the pipe that aluminum waste-heat recoverer 4 is exported between storage tank 1
Lu Shang, magnetic valve B9 are exported on the pipeline between hand-operated valve A 10, hand-operated valve B 11 positioned at aluminum waste-heat recoverer 4, manually
Pipeline where valve A 10 is connected to heat supplying pipeline 13, and the pipeline where hand-operated valve B 11 is connected to absorption type refrigerating unit 12,
The backwater of heat supplying pipeline 13 and absorption type refrigerating unit 12 connects storage tank 1 by circulating water pipe.
Application example：Counterweight is 3 tons, and the high temperature casting cooling procedure that temperature drops to 50 DEG C from 650 DEG C carries out waste heat time
Receive and utilize.
Knockout high temperature casting 15 sequentially enters aluminum waste-heat recoverer 4, and casting is interior from front to back in aluminum waste-heat recoverer 4
It is mobile, and radiation heat transfer is carried out with waste-heat recoverer 4, its temperature is gradually lowered to 50 DEG C from 650 DEG C, then from waste-heat recoverer
Casting export 19 out, is sent to other operations.In the presence of water circulating pump 3, the water in the water jacket of aluminum waste-heat recoverer 4 is slow
Flowing（Its flow direction is opposite with casting moving direction）, groove 18 on the wall of aluminum waste-heat recoverer 4 is used for strengthening current
With the heat convection of the heating surface of aluminum waste-heat recoverer 4.When hot water flows through temperature sensor 5, temperature controller 6,7 is by basis
Water temperature controls the keying of magnetic valve 8,9；When water temperature is less than design temperature 80-85ODuring C, towards absorption type refrigerating unit 12 and confession
The magnetic valve B 9 of hot pipe network 13 is closed, the magnetic valve A 8 of straight-through storage tank 1 is opened, and hot water will be back to storage tank
1, continue heat temperature raising；When water temperature is higher than design temperature, the magnetic valve A 8 of straight-through storage tank 1 is closed, towards absorption refrigeration dress
Put the 12 and magnetic valve B 9 of heating network 13 to open, summer hand-operated valve A 10 is closed, and hand-operated valve B 11 is opened, and hot water is sent to
Absorption type refrigerating unit 12；Winter hand-operated valve A 10 is opened, and hand-operated valve B 11 is closed, and hot water is sent into heating network 13；Flow through
The backwater of absorption type refrigerating unit 12 or heating network 13 is back to storage tank 1 in case continuing to heat.Circulated with this.
Afterheat of casting combination lithium bromide absorbing type refrigeration and heat supply networking can meet the office building system of 500 square metres of Foundry Works
Cold and heat supply, wherein, refrigerating capacity is 40KW, 80 DEG C/60 DEG C of heat supply supply and return water temperature.
Claims (4)
1. a kind of afterheat of casting recycle device based on radiation heat transfer, it is characterised in that including steel tracks, aluminum waste heat
Recover, storage tank, water circulating pump, circulating water pipe, temperature sensor and controller, magnetic valve and absorption type refrigerating unit
With heating pipe network device；Steel tracks are longitudinally arranged in foundry, thereon the aluminum waste-heat recoverer of arranged type cross section；
Aluminum waste-heat recoverer is the radiation recuperator with water as working medium, and outboard sidewalls and front-rear side walls are closed to form cyclic water jacket, band
The storage tank of heat-insulation layer is located at the front end of aluminum waste-heat recoverer, is utilized between storage tank delivery port and waste-heat recoverer water inlet
Circulating water pipe is connected, and water circulating pump is set on circulating water pipe；Waste-heat recoverer delivery port downstream is provided with temperature sensor and two
Temperature controller, two temperature controllers are respectively used to control two keyings of magnetic valve；Hot water pipeline after two magnetic valves
Storage tank, absorption type refrigerating unit and heating network device are connected respectively；Absorption type refrigerating unit and heating network device are returned
Water delivers to storage tank by water return pipeline.
2. the afterheat of casting recycle device based on radiation heat transfer according to claim 1, it is characterised in that described
The interior survey outside wall surface of aluminum waste-heat recoverer be sprayed into black, its lateral wall cladding heat-insulation layer.
3. the afterheat of casting recycle device based on radiation heat transfer according to claim 1, it is characterised in that described
Aluminum waste-heat recoverer internal face, outside wall surface be designed as stagger arrangement channel form.
4. the operation method of the afterheat of casting recycle device based on radiation heat transfer described in claim 1, its feature exists
It is as follows in step：
1）High temperature casting after knockout is placed sequentially on steel tracks, and being rotated into more than the aluminum of type cross section with crawler belt
Inside heat regenerator, high temperature casting transfers heat to the inner side outer wall of the aluminum waste-heat recoverer of blacking in radiation heat transfer form
Face；When casting temperature is reduced to 50ODuring C or so, from the waste-heat recoverer other end out；
2）The curve that cools of different type casting is obtained by the measured data of Foundry Works, according to the drop of different type casting
Warm curve controlled crawler belt rotating speed makes the waste heat energy of casting fully reclaim so as to control waste heat recovery time of casting；
3）Water at low temperature in storage tank enters aluminum waste-heat recoverer through water circulating pump, waste-heat recoverer water inlet, is changed with convection current
After hot form absorbs heat, from delivery port outflow, when hot water flows through temperature sensor, controller will control two according to water temperature
The keying of magnetic valve；
4）When water temperature is less than design temperature 80-85ODuring C, the magnetic valve towards absorption type refrigerating unit and heating network is in closing
State, the magnetic valve of straight-through storage tank are opened, and hot water will be back to storage tank, continue heat temperature raising；When water temperature is higher than setting temperature
Degree, leads directly to the closed electromagnetic valve of storage tank, and the magnetic valve towards absorption type refrigerating unit and heating network device is opened；
5）Summer hand-operated valve A is closed, and hand-operated valve B is opened, and hot water is sent into absorption type refrigerating unit；Winter hand-operated valve A is opened, hand
Dynamic valve B is closed, and hot water is sent into heating network；Flow through absorption type refrigerating unit or heating network backwater be back to storage tank with
It is standby to continue to heat, circulated with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299963.XA CN106925765B (en) | 2017-05-02 | 2017-05-02 | Afterheat of casting recycle device based on radiation heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710299963.XA CN106925765B (en) | 2017-05-02 | 2017-05-02 | Afterheat of casting recycle device based on radiation heat transfer |
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| Publication Number | Publication Date |
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| CN106925765A true CN106925765A (en) | 2017-07-07 |
| CN106925765B CN106925765B (en) | 2019-06-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763046A (en) * | 2019-10-31 | 2020-02-07 | 南华大学 | Cooling and heat dissipation system and cooling and heat dissipation method for high-temperature heat source equipment |
| CN110864350A (en) * | 2019-11-19 | 2020-03-06 | 昆明理工大学 | Workshop heat insulation and waste heat recycling system and method |
| CN111485079A (en) * | 2020-05-27 | 2020-08-04 | 秦皇岛信能能源设备有限公司 | Quenching tank waste heat recycling system and control method |
| CN112008066A (en) * | 2020-08-28 | 2020-12-01 | 安徽合力股份有限公司合肥铸锻厂 | Casting pouring waste heat recycling device |
| CN110763046B (en) * | 2019-10-31 | 2023-11-28 | 南华大学 | Cooling and radiating system and cooling and radiating method for high-temperature heat source equipment |
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| JPS58116966A (en) * | 1981-12-30 | 1983-07-12 | Sumitomo Metal Ind Ltd | Recovering method of waste heat of continuous casting material |
| CN2499150Y (en) * | 2001-09-20 | 2002-07-10 | 莱芜钢铁集团有限公司 | Device for recovering radiation heat of steel billet |
| CN102019412A (en) * | 2010-12-04 | 2011-04-20 | 张立强 | Casting afterheat recovery method and special equipment thereof |
| JP2013234773A (en) * | 2012-05-07 | 2013-11-21 | Mayekawa Mfg Co Ltd | Radiation energy recovery system and radiation energy utilization system |
| CN103486870A (en) * | 2013-09-30 | 2014-01-01 | 双良节能系统股份有限公司 | Smoke waste heat refrigeration and heating supply system of industrial kiln stove |
| CN206677161U (en) * | 2017-05-02 | 2017-11-28 | 河北工业大学 | Afterheat of casting recycle device based on radiation heat transfer |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS58116966A (en) * | 1981-12-30 | 1983-07-12 | Sumitomo Metal Ind Ltd | Recovering method of waste heat of continuous casting material |
| CN2499150Y (en) * | 2001-09-20 | 2002-07-10 | 莱芜钢铁集团有限公司 | Device for recovering radiation heat of steel billet |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763046A (en) * | 2019-10-31 | 2020-02-07 | 南华大学 | Cooling and heat dissipation system and cooling and heat dissipation method for high-temperature heat source equipment |
| CN110763046B (en) * | 2019-10-31 | 2023-11-28 | 南华大学 | Cooling and radiating system and cooling and radiating method for high-temperature heat source equipment |
| CN110864350A (en) * | 2019-11-19 | 2020-03-06 | 昆明理工大学 | Workshop heat insulation and waste heat recycling system and method |
| CN111485079A (en) * | 2020-05-27 | 2020-08-04 | 秦皇岛信能能源设备有限公司 | Quenching tank waste heat recycling system and control method |
| CN111485079B (en) * | 2020-05-27 | 2023-09-08 | 秦皇岛信能能源设备有限公司 | Quenching tank waste heat recycling system and control method |
| CN112008066A (en) * | 2020-08-28 | 2020-12-01 | 安徽合力股份有限公司合肥铸锻厂 | Casting pouring waste heat recycling device |
| CN112008066B (en) * | 2020-08-28 | 2022-04-15 | 安徽合力股份有限公司合肥铸锻厂 | Casting pouring waste heat recycling device |
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| CN106925765B (en) | 2019-06-04 |
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